How severe is CVE-2015-5735?

CVE-2015-5735 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2015-5735 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5735?

CVE-2015-5735 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-5735?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-5735 published?

CVE-2015-5735 was published on 2015-09-03 and last updated on 2026-06-17.

CVE-2015-5735

CVE-2015-5735 is a high-severity vulnerability in Fortinet Forticlient with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Fortinet Forticlient
Published: 2015-09-03
Last modified: 2026-06-17

Description

The (1) mdare64_48.sys, (2) mdare32_48.sys, (3) mdare32_52.sys, and (4) mdare64_52.sys drivers in Fortinet FortiClient before 5.2.4 allow local users to write to arbitrary memory locations via a 0x226108 ioctl call.

Frequently asked questions

What is CVE-2015-5735?: The (1) mdare64_48.sys, (2) mdare32_48.sys, (3) mdare32_52.sys, and (4) mdare64_52.sys drivers in Fortinet FortiClient before 5.2.4 allow local users to write to arbitrary memory locations via a 0x226108 ioctl call.
How severe is CVE-2015-5735?: CVE-2015-5735 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2015-5735 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5735?: CVE-2015-5735 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-5735?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-5735 published?: CVE-2015-5735 was published on 2015-09-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:*:*:*

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